```

feat: add market stats endpoint, wallet integration, and browser wallet link

- Update devnet genesis timestamp to 1767000206
- Add market statistics endpoint with 24h volume, price change, and payment counts
- Add wallet balance and info API endpoints in exchange router
- Remove unused SessionDep dependencies from exchange endpoints
- Integrate real AITBC wallet extension connection in trade-exchange UI
- Add market data fetching with API fallback for price and volume display
- Add cache-busting query

extensions/README.md

@@ -0,0 +1,77 @@
+# AITBC Browser Wallet Extensions
+
+This directory contains browser wallet extensions for AITBC, supporting both Chrome and Firefox browsers.
+
+## Quick Start
+
+### For Chrome/Brave/Edge Users
+
+1. Navigate to `aitbc-wallet/` folder
+2. Follow the installation instructions in `aitbc-wallet/README.md`
+
+### For Firefox Users
+
+1. Navigate to `aitbc-wallet-firefox/` folder
+2. Follow the installation instructions in `aitbc-wallet-firefox/README.md`
+
+## Using the Extensions
+
+1. Install the appropriate extension for your browser
+2. Navigate to the AITBC Trade Exchange: https://aitbc.bubuit.net/Exchange
+3. Toggle from "Demo Mode" to "Real Mode"
+4. Click "Connect AITBC Wallet"
+5. Create a new account or import an existing one
+6. Approve the connection request
+
+## Features
+
+- ✅ Cross-browser support (Chrome, Firefox, Edge, Brave)
+- ✅ Secure local key storage
+- ✅ dApp connection management
+- ✅ Transaction signing
+- ✅ Message signing
+- ✅ Balance tracking
+- ✅ Account management (create/import)
+
+## Security Best Practices
+
+1. **Never share your private key** - It's the key to your funds
+2. **Keep backups** - Save your private key in a secure location
+3. **Verify URLs** - Always check you're on aitbc.bubuit.net
+4. **Use strong passwords** - Protect your browser with a strong password
+5. **Keep updated** - Keep your browser and extension updated
+
+## Development
+
+Both extensions share most of their code:
+
+- `injected.js` - Provides the wallet API to dApps
+- `popup.html/js` - Wallet user interface
+- `content.js` - Communicates between the extension and dApps
+
+The main differences are:
+- Chrome uses Manifest V3
+- Firefox uses Manifest V2 (required for full functionality)
+- Different background script architectures
+
+## Architecture
+
+```
+┌─────────────────┐     ┌──────────────────┐     ┌─────────────────┐
+│   dApp Page     │────▶│  Content Script  │────▶│ Background Script│
+│ (Exchange UI)   │     │ (bridge)         │     │ (wallet logic)  │
+└─────────────────┘     └──────────────────┘     └─────────────────┘
+                                ▲                        │
+                                │                        ▼
+                       ┌──────────────────┐     ┌─────────────────┐
+                       │  Injected Script │     │   Extension UI  │
+                       │ (window.aitbcWallet)│   │ (popup.html)   │
+                       └──────────────────┘     └─────────────────┘
+```
+
+## Support
+
+For issues or questions:
+1. Check the individual README files for your browser
+2. Create an issue in the repository
+3. Join our community discussions